Home / 220,622.15-330,702.82-108,146.63

Finding the Fourth Proportional to 220,622.15, 330,702.82 and 108,146.63

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Solution

The fourth proportional to 220,622.15, 330,702.82 and 108,146.63 is: 162,107.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,622.15 : 330,702.82 = 108,146.63 : x
  2. Step 2: Convert to fraction form
    220,622.15/330,702.82 = 108,146.63/x
  3. Step 3: Cross multiply
    220,622.15x = 330,702.82 × 108,146.63
  4. Step 4: Simplify right side
    220,622.15x = 35,764,393,320.25
  5. Step 5: Solve for x
    x = 35,764,393,320.25/220,622.15
  6. Step 6: Final answer
    x = 162,107.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.